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02-17-2012, 04:05 PM   #1

Join Date: Nov 2007
Location: Western Canada
Posts: 4,094
55-300 , K-5 or me ?

I recently bought a new K-5 a few months ago. I'm very happy with this camera and it is certainly an improvement in a lot of areas over my K10-D and KM (K2000 in the States), although I still have and use my K10D and KM bodies.

I have had a Pentax 55-300 since June, 2008, shortly after this lens was introduced. It's been a great lens and I've got some wonderful and sharp pictures on it, when attached to my K10D and KM.

But when I use it on my K-5 I seem to be disappointed. It doesn't seem to be as sharp . I don't know if this is just my imagination or what ?

It may well be that with the K-5 that my standards are higher and I spend time (too much ? ) gazing intensely as enlargements on my computer.

I've increased the lens adjustment for this lens only within my K-5 body. My other lenses...seem to work quite well on the K-5. The 12-24 in particular, although my 50mm F 2.8 Macro also is well matched.

I have got some excellent , sharp as tack pictures with the 55-300 on the K-5...but I find that I'm more careful with my photographic technique, such as bracing myself, experimenting with ISO and F stop, than when using this lens on the KM or K10D.

I know the K-5's resolution is significantly greater than either KM or K10D.

So what do you think ?

02-17-2012, 04:57 PM   #2
Senior Member

Join Date: Jun 2011
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Posts: 160
I think you kinda answered the question yourself. You got something better (K5) and thus expect more from it (as you should). However, the amount of improvements will only go so far before you may feel something is lacking. And like you said you have gotten really good pictures from it with the 55-300 and 12-24.
02-17-2012, 09:05 PM   #3
Senior Member

Join Date: Nov 2010
Posts: 102
Do some test, take a shoot using liveview and another with phase detection. If both are similar then there is no need for adjustment, well at least that the way i do.
Also, download dxo trial, it does wonders with my raw files, specially from my da 55-300

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